Home / 1,222,228,448.35-1,686,579,094.43-693,592,429.25

Finding the Fourth Proportional to 1,222,228,448.35, 1,686,579,094.43 and 693,592,429.25

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Solution

The fourth proportional to 1,222,228,448.35, 1,686,579,094.43 and 693,592,429.25 is: 957,102,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,228,448.35 : 1,686,579,094.43 = 693,592,429.25 : x
  2. Step 2: Convert to fraction form
    1,222,228,448.35/1,686,579,094.43 = 693,592,429.25/x
  3. Step 3: Cross multiply
    1,222,228,448.35x = 1,686,579,094.43 × 693,592,429.25
  4. Step 4: Simplify right side
    1,222,228,448.35x = 1,169,798,491,221,891,328
  5. Step 5: Solve for x
    x = 1,169,798,491,221,891,328/1,222,228,448.35
  6. Step 6: Final answer
    x = 957,102,980.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.